SMTP Authentication Support will not connect on all machines.

SMTP.module is active. Die Konfigurationsoptionen wurden gespeichert. SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "220 mailsub004.protonmail.ch ESMTP Postfix " SMTP -> get_lines(): $data was "220 mailsub004.protonmail.ch ESMTP Postfix " SMTP -> FROM SERVER: 220 mailsub004.protonmail.ch ESMTP Postfix SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $str is "250-PIPELINING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING " SMTP -> get_lines(): $str is "250-SIZE 36480000 " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 " SMTP -> get_lines(): $str is "250-STARTTLS " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS " SMTP -> get_lines(): $str is "250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $str is "250-8BITMIME " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME " SMTP -> get_lines(): $str is "250 CHUNKING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 CHUNKING " SMTP -> FROM SERVER: 250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 CHUNKING SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "220 2.0.0 Ready to start TLS " SMTP -> get_lines(): $data was "220 2.0.0 Ready to start TLS " SMTP -> FROM SERVER: 220 2.0.0 Ready to start TLS SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch " SMTP -> get_lines(): $str is "250-PIPELINING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING " SMTP -> get_lines(): $str is "250-SIZE 36480000 " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 " SMTP -> get_lines(): $str is "250-AUTH PLAIN " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN " SMTP -> get_lines(): $str is "250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES " SMTP -> get_lines(): $str is "250-8BITMIME " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME " SMTP -> get_lines(): $str is "250 CHUNKING " SMTP -> get_lines(): $data was "250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 CHUNKING " SMTP -> FROM SERVER: 250-mailsub004.protonmail.ch 250-PIPELINING 250-SIZE 36480000 250-AUTH PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 CHUNKING SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "535 5.7.8 Error: authentication failed: Invalid authentication mechanism " SMTP -> get_lines(): $data was "535 5.7.8 Error: authentication failed: Invalid authentication mechanism " SMTP -> ERROR: AUTH not accepted from server: 535 5.7.8 Error: authentication failed: Invalid authentication mechanism SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is "221 2.0.0 Bye " SMTP -> get_lines(): $data was "221 2.0.0 Bye " SMTP -> FROM SERVER: @byemsg SMTP -> ERROR: Failed to connect to server: php_network_getaddresses: getaddrinfo failed: Name or service not known (0) A test e-mail has been sent to zooot@pm.me. You may want to check the logs for any error messages. SMTP.module is active.

Comments & Activities

Issue created by @paul_constantine
Comment 12 months ago →
🇩🇪Germany paul_constantine
I found out the following:

This error means my system used an outdated or unsupported authentication mechanism (such as AUTH LOGIN) to send the test email.
Note: Only the tech support of your system can fix this problem.

You can ask the tech support of your system that:

Proton SMTP Submission requires using the AUTH PLAIN mechanism to send emails.

So here is the real question: How do I change my authentication mechanism to AUTH PLAIN? Or does Drupal support AUTH PLAIN?

Is this even an issue of Drupal or is it the Ubuntu server?

Cheers
Paul
Comment 11 months ago →
🇩🇪Germany paul_constantine
Nevermind.

I fixed my problem myself by deleting this module and using the PHPMailer module instead. This module allows me to use the AUTH PLAIN method.

P.